如何求平均数

页面:/news/view-141386/ | 耗时:0.8107 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=141386 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=141386 LIMIT 0,1
select * from tbl_Articles_sphinx where id=141386 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1132159,1464041,117296,113133,115834,114824,118352,117210,108163,1093266,228025,115272,111913,2714794,107397,113943,116679,1079051,114637,114290,1063395,1128215,113609,1070668,109958,118489,1076313,115544,118255,112100) ORDER BY field (ArticleID,1132159,1464041,117296,113133,115834,114824,118352,117210,108163,1093266,228025,115272,111913,2714794,107397,113943,116679,1079051,114637,114290,1063395,1128215,113609,1070668,109958,118489,1076313,115544,118255,112100)